Debaryomyces species as an indicator of non-healing ulcers in Crohn's disease

Abstract

Methods for treating, selecting a treatment, and monitoring a treatment for an inflammatory bowel disease in a patient in need are disclosed. Treatments include administering an antifungal compound. The method for selecting and monitoring a treatment includes detecting a biomarker indicative of an amount of the fungus Debaryomyces hansenii within the sample. The treatment is administered if the biomarker is above a threshold level and the biomarker may be monitored before and during treatment. Biomarkers include abundance of fungal DNA in the patient's gut microbiota and anti-fungal antibodies in the blood of the patient.

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